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Concentration of credit risks (Details Narrative) - IoT
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Multinational Electronics Contract Manufacturing Company | Revenue      
Concentration Risk [Line Items]      
Concentration risk 14.00% 10.00% 18.00%
Multinational Electronics Contract Manufacturing Company | Accounts Receivable      
Concentration Risk [Line Items]      
Concentration risk 30.00% 13.00%  
International Equipment and Software Manufacturer | Revenue      
Concentration Risk [Line Items]      
Concentration risk 5.00% 8.00% 9.00%
International Equipment and Software Manufacturer | Accounts Receivable      
Concentration Risk [Line Items]      
Concentration risk 11.00% 0.00%